Per- and polyfluoroalkyl substances (PFAS) have been mass produced for decades in consumer products like frying pans, ...

A nanofiber air filter developed at the University of Chicago could turn existing building ventilation into carbon-capture devices while cutting homeowners’ energy costs. A life-cycle analysis shows ...

The carbon filters bought by Norfolk Southern to protect East Palestine’s municipal water supply in the wake of last year’s train derailment are shown this winter before a structure to house the ...

Unlock to see our ratings and compare products side by side a measure of how much the flow rate decreased, or time to filter increased, over the course of filter cartridge's lifespan. Certified to NSF ...